EP3246138B1 - Système de coupe et procédé pour découper une bande ou une feuille de matériau - Google Patents

Système de coupe et procédé pour découper une bande ou une feuille de matériau Download PDF

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Publication number
EP3246138B1
EP3246138B1 EP16169772.7A EP16169772A EP3246138B1 EP 3246138 B1 EP3246138 B1 EP 3246138B1 EP 16169772 A EP16169772 A EP 16169772A EP 3246138 B1 EP3246138 B1 EP 3246138B1
Authority
EP
European Patent Office
Prior art keywords
cutting
anvil
core material
material layer
knife
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16169772.7A
Other languages
German (de)
English (en)
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EP3246138A1 (fr
Inventor
Ulf MÅRTENSSON
Seppo Bergman
Dan ROBERTSSON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP16169772.7A priority Critical patent/EP3246138B1/fr
Application filed by Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Priority to RU2018140101A priority patent/RU2736464C2/ru
Priority to BR112018072099-2A priority patent/BR112018072099A2/pt
Priority to MX2018013550A priority patent/MX2018013550A/es
Priority to PCT/EP2017/061618 priority patent/WO2017198622A1/fr
Priority to US16/302,041 priority patent/US10850422B2/en
Priority to CN201780030338.3A priority patent/CN109153143B/zh
Priority to JP2018560156A priority patent/JP7109378B2/ja
Publication of EP3246138A1 publication Critical patent/EP3246138A1/fr
Application granted granted Critical
Publication of EP3246138B1 publication Critical patent/EP3246138B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
    • B26F1/08—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4409—Cutters therefor; Dies therefor having die balancing or compensating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4472—Cutting edge section features

Definitions

  • the present invention relates to the field of cutting preparation features in a web or sheet of material, such as in particular packaging materials, and in particular to a cutting system and cutting method for such packaging material.
  • the packaging material may comprise different layers.
  • a laminated packaging material may comprise a paperboard with at least one first plastic layer applied on one side thereof making up the outer surface of the final package, and a second plastic composition or layer on the opposite or inner side.
  • the second plastic composition may in some cases be laminated to a protective layer such as an aluminum foil; the laminated material thus normally also includes an outer, or distal layer on the inner side, which is in contact with the product intended to be contained in the final package.
  • the paperboard is adapted to the later application of a cap by incorporation of a hole for that purpose.
  • Another application requiring a hole to be made is e.g. packages having a straw hole.
  • Such holes are normally cut in the paperboard prior to lamination, i.e. before any polymeric layers are added to form the final packaging material.
  • the cutting process is performed by operating a cutting tool, such as a punching knife to move against a mating anvil. During operation the paperboard to be cut is positioned between the punching knife, forming a male tool, and a rigid anvil surface.
  • Manufacturing of packaging material is run at very high speeds, well over 400 meters per minute. In case of end position misalgnment of the punching knife it is readily understood that a vast amount of packaging material will be wasted if the error is not detected in time.
  • the solution described uses a pair of rollers for cutting or creasing of a web of paper, cardboard or synthetic materials.
  • One roller, the cutting roller is equipped with inserts which can be secured onto the outer surface of the roller by means of screws. Since the rollers are cylindrical, these inserts need to be bent into the curved shaped of the roller before they are secured to it.
  • the second roller or anvil roller has no such inserts and has a flat surface used to act as anvil surface for the protruding portions of the cutting roller. It does contain some grooves if the system is used for creasing of the material passing between the two rollers.
  • each cutting tool may have a thin layer of vinyl plastics attached to it coated with an adhesive, which will help secure the tool to the cutting roller.
  • An object of the present invention is to solve the above-mentioned problems.
  • a cutting system for providing holes in a core material layer.
  • the cutting system comprises a cutting tool having a cutting knife configured to cut through the core material layer, and an anvil having a rigid support surface for receiving the cutting knife of the cutting tool.
  • the cutting system further comprises an elastic member being positioned to absorb at least a part of a force applied when the cutting tool is pressed against said anvil.
  • the rigid support surface of said anvil is arranged onto said elastic member.
  • the elastic member is provided on the anvil of the cutting system which means that conventional (and stiff) cutting tools may be used.
  • the cutting knife extends from a rigid knife support. This is advantageous in that the cutting knife may be made integral with the knife support, whereby manufacturing and mounting of the cutting tool is greatly facilitated.
  • the rigid knife support of the cutting tool may be arranged onto the elastic member. This provides an alternative way of obtaining the same technical effect in terms of a more broad process window, increased life time and more cost-effective manufacturing of the cutting knife, and less sensitivity to vibrations and thermal expansions.
  • the cutting knife extends along a closed path, which is advantageous in that the cutting system may be used for providing holes or perforations in the core material layer.
  • the closed path may e.g. have a circular shape, or other shapes such as elliptical, rectangular, triangular, etc.
  • the elastic member may be made of rubber, which is advantageous in that readily available materials can be used.
  • the cutting tool may be arranged on the outer surface of a cutting roller, and the anvil may be arranged on the outer surface of an anvil roller.
  • One of the edge of the cutting knife and the rigid support surface of the anvil may be planar, and the other one of the cutting knife and the rigid support surface of the anvil may be convex.
  • the other part may be planar, which is particularly advantageous for embodiments in which the cutting knife is planar. This is due to the fact that it is far easier to manufacture a flat cutting knife.
  • the rigid support surface of the anvil is convex and having a radius, and the center of the anvil radius does not coincide with the center of a radius of the anvil roller. Improved cutting action is thus accomplished.
  • the cutting roller may be positioned relative the anvil roller such that the elastic member is compressed when the cutting knife contacts the rigid support surface of the anvil.
  • the elastic member may be compressed by 0.02-0.1 mm, preferably by 0.06-0.08 mm, when the cutting knife contacts the rigid support surface of the anvil. This amount of compression has proven to be particularly advantageous for obtaining good results.
  • a method for providing a core material layer with a through hole comprises arranging a core material layer onto a rigid support surface of an anvil, and pressing a cutting knife of a cutting tool against said core material layer such that the cutting knife comes into contact with the rigid support surface of the anvil when the core material layer is cut.
  • the tool is arranged on the outer surface of a cutting roller and the anvil is also arranged on the outer surface of an anvil roller.
  • the method is further performed such that the cutting tool or the anvil deforms when the cutting knife comes into contact with the rigid support surface.
  • a method for providing a packaging material comprises providing a core material layer, providing said core material layer with at least one through hole by performing the method according to the second aspect described above, and laminating the cut core material layer to at least one polymeric layer, such that the polymeric layer covers the whole core layer including the cut hole.
  • a general method for providing a core material layer 10 with a through hole will be described.
  • the core material layer 10 is arranged onto a rigid support surface 12.
  • the support surface 12, e.g. being formed by a metal is either planar or slightly curved in case it forms part of an anvil roller.
  • a male punching tool 16 is provided for cutting the core material layer 10. As the male punching tool 16 moves downwards and towards the core material layer 10 it will cut through the core material layer 10 until the downwards movement is stopped. At this point, best illustrated in Fig. 1b , the cutting edge of the male punching tool 16 is located slightly above the rigid support surface of the anvil 12.
  • This position is set extremely accurately for avoiding any direct contact between the punching tool 16 and the rigid support surface, as such contact will lead to damage of the punching tool 16, the anvil 12, or both.
  • the vertical distance between the punching tool 16 and the anvil 12 is 0.005-0.03 mm such that only a very small force is required for removing the cut-out portion 18.
  • the cut portion 18 may be ejected by any suitable means.
  • Figs. 1a-c calibration of the relative movement between the punching tool 16 and the anvil 12 is crucial.
  • the cutting system 100 comprises a cutting tool 110 having a cutting knife, or edge 112 configured to cut through the core material layer 10. Relative movement between the cutting tool 110 and the core material layer 10 is provided e.g. by arranging the cutting tool 110 on a movable support structure, such as a rotating roller.
  • the cutting knife 112 may be circular, meaning that the cutting knife 112 forms a circular shaped distal circumference of the cutting tool 110.
  • Other shapes of the cutting knife 112 are however also possible within the context of the embodiments described herein, such as straight or curved slits or perforation lines.
  • the cutting system 100 as described herein may provide advantages for various kinds of hole shapes, such as circular, rectangular, triangular, elliptical, etc.
  • the distal circumference of the cutting tool may include spaced-apart ridges such that the cutting operation will not result in an evenly cut hole, but rather a perforation of the core material layer.
  • the cutting knife 112 will engage with the core material layer 10, best illustrated in Fig. 2b .
  • the cutting tool 110 will provide a punching action to the core material layer 10 which will result in a penetration of the cutting knife 112 into the core material layer 10.
  • the relative movement between the cutting knife 112 and the core material layer 10 is continuing until the entire core material layer thickness is cut, at which point the cutting knife 112 will contact a rigid support surface 121 of an anvil 120.
  • an elastic member 124 is arranged underneath the rigid support surface 121 such that the rigid support surface 121 is allowed to move, or flex, downwards as the elastic member 124 is compressed in response to the pressing force applied by the cutting tool 110.
  • the elastic member 124 may e.g. be made of vulcanized rubber, and the deformation may be in the range of 0.01-0.10 mm in a normal direction of the support surface 121.
  • anvil 120 provides a rigid support surface 121 for enabling a nice cut completely through the core material layer, and the risk for any damage is greatly reduced due to the provision of the elastic member 124.
  • a schematic cross-section of a cutting tool 110 is shown.
  • the cutting tool 110 forms part of a cutting system 100 according to another example outside the scope of the claims.
  • the cutting tool 110 includes a cutting knife 112 having a shape so that the entire hole is cut at the same time as the cutting knife 112, forming the periphery of the cutting tool 110, engages with the core material layer 10.
  • the circumference of the cutting knife may have a circular shape, a triangular shape, a rectangular shape, an elliptical shape, etc.
  • the cutting knife 112 projects outwards (seen as the downward direction in Fig. 3 ), towards the core material layer 10 to be cut, from a rigid knife support 114.
  • the rigid knife support 114 and the cutting knife 112 are preferably made of the same material as an integral piece.
  • the material may e.g. be a metal such as steel.
  • the anvil 120 has no elastic member supporting the rigid support surface 121; instead the elastic member of the cutting system 100 is formed as an elastic member 116 of the cutting tool 110.
  • the elastic member 116 is thus positioned above the rigid knife support 114, e.g. between the rigid knife support 114 and a base member 118. This means that the elastic member 116 is arranged on a side of the rigid knife support 114 being opposite the side of the rigid knife support 114 facing the core material layer 10.
  • a cutting system 100 according to an embodiment of the invention is shown.
  • the cutting system 100 is particularly advantageous for high speed applications, and the cutting system 100 comprises a cutting roller 150 having a cutting tool 110 attached to it.
  • the roller 150 is configured to rotate against an anvil 120 in the form of an anvil roller 230.
  • the anvil 120 has a rigid outer surface.
  • a web of a core material layer 10, which will later be described to form part of a packaging material, is fed through the cutting system 100 via one or more guiding rollers 202, 204, 206, 208.
  • the diameter of the anvil roller 230 is substantially larger than the diameter of the cutting roller 150 in order to allow the part 18 (see e.g. Fig.
  • the elastic member may either form part of the anvil 120 as shown in Figs. 2a-c , or of the cutting tool 110 as shown in Fig. 3 , such last case being outside the scope of the claims.
  • Fig. 5a another embodiment of a cutting system is shown.
  • the cutting tool 110 is positioned onto the cutting roller 150 as an insert whereby the knife support 114 is attached to the outer surface of the cutting roller 150.
  • the cutting roller 150 may have several cutting tools 110 attached to it, either having the same dimensions or not.
  • the elastic member is for this embodiment provided in the anvil 120.
  • the anvil 120 is positioned onto the anvil roller 230 as an insert, positioned such that the anvil 120 will receive contact with a cutting tool 110 when the anvil roller 230 and the cutting roller 150 rotates against each other.
  • the elastic member 124 is positioned underneath the rigid support surface 121 of the anvil 120. When the cutting knife 112 cuts through the core material layer 10, it will press on the rigid support surface 121 which will be allowed to deflect due to the provision of the elastic member 124 in accordance with the description above.
  • Fig. 5b a similar case, but in an example outside the scope of the claims, is shown, however the anvil 120 is in this embodiment entirely rigid while the cutting tool 110 has an elastic member 124 in a manner being similar to the cutting tool 110 described with reference to Fig. 3 .
  • the elastic member 116 is positioned to support the knife support 114.
  • the cutting knife 112 has a planar shape, i.e. the circumferential cutting edge of the cutting knife 112 extends in a common plane. This allows for a far more cheaper manufacturing of the cutting tool 110 compared to alternatives involving a curved cutting knife 112.
  • the rigid support surface 121 of the anvil 120 Due to the rotational movement of the cutting knife 112, the rigid support surface 121 of the anvil 120 has a convex configuration for compensating for the flat, or planar cutting knife 112.
  • the anvil roller 230 will also have a radius R2 due to its cylindrical shape.
  • the center of the anvil radius R1 does not coincide with the center of a radius R2 of the anvil roller 230, i.e. the radius R1 is not having the same length as the radius R2.
  • the elastic member 124 When the cutting tool 110 is pressed downwards against the anvil 120 due to rotation of the rollers 150, 230, the elastic member 124 is typically compressed in the range of 0.06-0.08 mm. In particular the deformation of the elastic member allows for a wider process window, and the cutting system 100 has proven to be less sensitive for vibrations and thermal expansion.
  • the cutting system described above has proven to be particularly advantageous for high speed operation, where a web speed of above 400 meters per minute is utilized. Still for this high speed accurate cutting is accomplished.
  • the method 300 includes a first step 302 of arranging a core material layer onto a rigid support surface of an anvil and a second step 304 of pressing a cutting knife of a cutting tool against said core material layer such that the cutting knife comes into contact with the rigid support surface of the anvil when the core material layer is cut.
  • the cutting tool or the anvil deforms when the cutting knife comes into contact with the rigid support surface.
  • the cutting tool and the anvil form part of a cutting system as described above with reference to Figs. 2-5 .
  • the method 300 may also include a subsequent step 306 in which the cut core material layer is provided with at least one polymeric layer.
  • the method 300 is not only performed for providing a core material layer with a through hole, but for actually providing a laminated packaging material.
  • the side of the core material layer 10 at which the cutting tool 110 is engaged may be the side onto which subsequent layers are applied first to form a packaging material.
  • the packaging material thus comprises a core material layer, an outer layer, and an inner layer, wherein the outer layer and inner layers are applied to opposite sides of the core material layer after the at least one hole is cut.
  • the outer layer applied to one side of the core material layer is adapted to provide the outer surface of a package to be produced, which outer surface and outer layer faces the surroundings of the package.
  • the inner layer is applied to the other side of the core material layer and is adapted to provide the inner surface of a package to be produced which is in contact with the material contained in the package.
  • the core material layer may be a sheet for providing rigidity to the packaging material, and may preferably be made of core material or cardboard.
  • the outer layer may comprise at least one layer of polymer material, which is applied to the core material layer. Moreover, one of the layers making up the outer layer may be a decorative layer making up the outer surface of the packaging to be formed.
  • a printing layer may be included onto the core material layer, adjacent to the outer layer.
  • the inner layer may comprise at least one layer of polymer material.
  • a protective layer may be present between the core material layer and the inner layer.
  • the protective layer may be a foil, such as a metal foil, preferably an aluminium foil.
  • the protective layer protects against oxygen to maintain the nutritional value and flavours of the food in the package at ambient temperatures.
  • a lamination layer may be present between the protective layer and the core material layer.
  • the lamination layer may be at least one layer of polymer material.
  • the layers of the packaging material intended for the inside of a finished package, which is in contact with the material contained in the package comprises starting from the core material layer: a lamination layer, a protective layer and an sealing layer.
  • the lamination layer enables the core material to adhesively bond to any protective layer applied.
  • the sealing layer enables package sealing by heat welding of opposite surfaces of the sealing layer together.
  • the polymer layers of the packaging material may be any type of polymer material, preferably a plastic material such as polyethylene.
  • a packaging material or a container according to the present invention may be used for foodstuffs which preferably may be liquid.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (12)

  1. Système de coupe (100) destiné à produire des trous dans une couche centrale de matériau (10), comprenant
    un outil de coupe (110) comportant un couteau de coupe (112) configuré pour couper à travers la couche centrale de matériau (10), et
    une enclume (120) comportant une surface de support rigide (121) destinée à recevoir le couteau de coupe (112) de l'outil de coupe (110), le système de coupe (100) comprenant en outre
    un organe élastique (124, 116) positionné de manière à absorber au moins une partie d'une force appliquée lorsque l'outil de coupe (110) est pressé contre ladite enclume (120), la surface de support rigide (121) de ladite enclume (120) étant agencée sur ledit organe élastique (124),
    caractérisé en ce que
    l'outil de coupe (110) est agencé sur la surface extérieure d'un cylindre de coupe (150), et l'enclume (120) étant agencée sur la surface extérieure d'un contre-cylindre (230).
  2. Système de coupe selon la revendication 1, dans lequel le couteau de coupe (112) s'étend à partir d'un support de couteau rigide (114).
  3. Système de coupe selon la revendication 2, dans lequel ledit support de couteau rigide (114) dudit outil de coupe (110) est agencé sur ledit organe élastique (116) .
  4. Système de coupe selon l'une quelconque des revendications précédentes, dans lequel ledit couteau de coupe (112) s'étend le long d'une trajectoire fermée.
  5. Système de coupe selon la revendication 4, dans lequel ladite trajectoire fermée présente une forme circulaire.
  6. Système de coupe selon l'une quelconque des revendications précédentes, dans lequel l'organe élastique (124, 116) est constitué de caoutchouc.
  7. Système de coupe l'une quelconque des revendications 1-6, dans lequel l'un(e) parmi le couteau de coupe (112) et la surface de support rigide (121) de l'enclume (120) est plan(e), et dans lequel l'autre parmi le couteau de coupe (112) et la surface de support rigide (121) de l'enclume (120) est convexe.
  8. Système de coupe selon la revendication 7, dans lequel la surface de support rigide (121) de l'enclume (120) est convexe et présente un rayon (R1), et dans lequel le centre du rayon d'enclume (R1) ne coïncide pas avec le centre d'un rayon (R2) du contre-cylindre (230).
  9. Système de coupe selon l'une quelconque des revendications 1-8, dans lequel le cylindre de coupe (150) est positionné par rapport au contre-cylindre (230) de telle sorte que l'organe élastique (124, 116) soit comprimé lorsque le couteau de coupe (112) vient en contact avec la surface de support rigide (121) de l'enclume (120).
  10. Système de coupe selon la revendication 9, dans lequel l'organe élastique (124, 116) est comprimé de 0,02-0,1 mm, de préférence de 0,06-0,08 mm, lorsque le couteau de coupe (112) vient en contact avec la surface de support rigide (121) de l'enclume (120).
  11. Procédé permettant de doter une couche centrale de matériau d'un trou traversant, comprenant :
    l'agencement d'une couche centrale de matériau sur une surface de support rigide d'une enclume, la surface de support rigide de l'enclume étant agencée sur un organe élastique et
    le pressage d'un couteau de coupe d'un outil de coupe contre ladite couche centrale de matériau de telle sorte que le couteau de coupe vienne en contact avec la surface de support rigide de l'enclume lorsque la couche centrale de matériau est coupée, l'enclume se déformant ainsi lorsque le couteau de coupe vient en contact avec la surface de support rigide, et dans lequel l'outil de coupe est agencé sur la surface extérieure d'un cylindre de coupe, et dans lequel l'enclume est agencée sur la surface extérieure d'un contre-cylindre.
  12. Procédé de production d'un matériau d'emballage, consistant à :
    fournir une couche centrale de matériau,
    doter ladite couche centrale de matériau d'au moins un trou traversant par mise en œuvre du procédé selon la revendication 11, et
    doter la couche centrale de matériau coupée d'au moins une couche polymère.
EP16169772.7A 2016-05-16 2016-05-16 Système de coupe et procédé pour découper une bande ou une feuille de matériau Active EP3246138B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP16169772.7A EP3246138B1 (fr) 2016-05-16 2016-05-16 Système de coupe et procédé pour découper une bande ou une feuille de matériau
BR112018072099-2A BR112018072099A2 (pt) 2016-05-16 2017-05-15 sistema de corte, e, métodos para prover uma camada de material de núcleo com um furo de passagem e para prover um material de acondicionamento.
MX2018013550A MX2018013550A (es) 2016-05-16 2017-05-15 Sistema de corte y metodo para cortar una banda o una hoja de material.
PCT/EP2017/061618 WO2017198622A1 (fr) 2016-05-16 2017-05-15 Système de coupe, et procédé pour couper un film ou une feuille de matériau
RU2018140101A RU2736464C2 (ru) 2016-05-16 2017-05-15 Режущая система и способ резки полотна или листа материала
US16/302,041 US10850422B2 (en) 2016-05-16 2017-05-15 Cutting system, and a method for cutting a web or sheet of material
CN201780030338.3A CN109153143B (zh) 2016-05-16 2017-05-15 切割系统、以及切割材料卷材或材料片的方法
JP2018560156A JP7109378B2 (ja) 2016-05-16 2017-05-15 材料のウェブまたはシートを切削するための切削システムおよび方法

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JP (1) JP7109378B2 (fr)
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MX2018013550A (es) 2019-03-14
US10850422B2 (en) 2020-12-01
CN109153143B (zh) 2021-09-24
WO2017198622A1 (fr) 2017-11-23
JP7109378B2 (ja) 2022-07-29
RU2018140101A (ru) 2020-06-17
US20190152087A1 (en) 2019-05-23
BR112018072099A2 (pt) 2019-02-19
CN109153143A (zh) 2019-01-04
EP3246138A1 (fr) 2017-11-22
RU2736464C2 (ru) 2020-11-17
RU2018140101A3 (fr) 2020-06-17
JP2019514718A (ja) 2019-06-06

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